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annotate src/twisted/plugins/libervia_server.py @ 472:42c8e91af048

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server side: fixed start sequence when SERVICE_PROFILE is already connected
author Goffi <goffi@goffi.org>
date Tue, 10 Jun 2014 16:02:43 +0200
parents 34ce41e014c4
children 6700386291f1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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06a48d805547 server side: make Libervia a Twisted plugin, and add it the --port argument + add a config file for the port.
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # Libervia: a Salut à Toi frontend
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5 # Copyright (C) 2013 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from twisted.internet import defer
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21 if defer.Deferred.debug:
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22 # if we are in debug mode, we want to use ipdb instead of pdb
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23 try:
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24 import ipdb
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25 import pdb
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26 pdb.set_trace = ipdb.set_trace
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27 pdb.post_mortem = ipdb.post_mortem
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28 except ImportError:
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29 pass
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31 # XXX: We need to configure logs before any log method is used, so here is the best place.
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32 from libervia.server.constants import Const as C
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33 from sat.core import log_config
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34 log_config.satConfigure(C.LOG_BACKEND_TWISTED, C)
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38 from sat.core.i18n import _
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39 from sat.tools.config import getConfig
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41 from zope.interface import implements
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42
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43 from twisted.python import usage
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44 from twisted.plugin import IPlugin
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45 from twisted.application.service import IServiceMaker
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46
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47 from ConfigParser import SafeConfigParser, NoSectionError, NoOptionError
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48 try:
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49 from libervia.server.server import Libervia
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50 opt_params = Libervia.OPT_PARAMETERS_BOTH
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51 cfg_params = Libervia.OPT_PARAMETERS_CFG
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52 except (ImportError, SystemExit):
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53 # avoid raising an error when you call twisted and sat is not launched
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54 opt_params = []
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55 cfg_params = []
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58 class Options(usage.Options):
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59
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60 # optArgs is not really useful in our case, we need more than a flag
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61 optParameters = opt_params
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62
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63 def __init__(self):
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64 """Read SàT configuration file in order to overwrite the hard-coded default values.
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65
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66 Priority for the usage of the values is (from lowest to highest):
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67 - hard-coded default values
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68 - values from SàT configuration files
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69 - values passed on the command line
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70 """
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71 # If we do it the reading later: after the command line options have been parsed, there's no good way to know
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72 # if the options values are the hard-coded ones or if they have been passed on the command line.
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73
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74 # FIXME: must be refactored + code can be factorised with backend
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75 config = SafeConfigParser()
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76 config.read(C.CONFIG_FILES)
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77 for param in self.optParameters + cfg_params:
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78 name = param[0]
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79 try:
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80 value = getConfig(config, 'libervia', name)
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81 try:
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82 param[2] = param[4](value)
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83 except IndexError: # the coerce method is optional
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84 param[2] = value
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85 except (NoSectionError, NoOptionError):
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86 pass
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87 usage.Options.__init__(self)
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90 class LiberviaMaker(object):
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91 implements(IServiceMaker, IPlugin)
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92
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93 tapname = C.ASCII_APP_NAME
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94 description = _(u'The web frontend of Salut à Toi')
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95 options = Options
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97 def makeService(self, options):
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98 return Libervia(**dict(options)) # get rid of the usage.Option overload
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101 # affectation to some variable is necessary for twisted introspection to work
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102 serviceMaker = LiberviaMaker()